set(CMAKE_INCLUDE_CURRENT_DIR ON)
IF(APPLE)
  set(CMAKE_CXX_FLAGS "-std=c++11 -stdlib=libc++")
ELSE()
  set(CMAKE_CXX_FLAGS "-std=gnu++0x")
ENDIF()

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(public-headers)
include(core)
include(async)
include(objc)
include(LibFindMacros)

IF(APPLE)
  set(additional_includes
    "${CMAKE_CURRENT_SOURCE_DIR}/../Externals/ctemplate-osx/include"
    "${CMAKE_CURRENT_SOURCE_DIR}/../Externals/uchardet-osx/include"
    "${CMAKE_CURRENT_SOURCE_DIR}/../Externals/libetpan-osx/include"
    /usr/include/tidy
    /usr/include/libxml2
  )
  
  set(additional_lib_searchpath
    "${CMAKE_CURRENT_SOURCE_DIR}/../Externals/ctemplate-osx/lib"
    "${CMAKE_CURRENT_SOURCE_DIR}/../Externals/uchardet-osx/lib"
    "${CMAKE_CURRENT_SOURCE_DIR}/../Externals/libetpan-osx/lib"
  )
  
  execute_process(COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/../scripts/get-mac.sh"
    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/../scripts")
ELSE()
  set(additional_includes
    /usr/include/libxml2
  )
ENDIF()

# detect ctemplate

find_path(CTEMPLATE_INCLUDE_DIR
  NAMES ctemplate/template.h
  PATHS ${additional_includes}
)
find_library(CTEMPLATE_LIBRARY
  NAMES ctemplate
  PATHS ${additional_lib_searchpath}
)

if(NOT CTEMPLATE_INCLUDE_DIR OR NOT CTEMPLATE_LIBRARY)
  message(FATAL_ERROR "ERROR: Could not find ctemplate")
else()
  message(STATUS "Found ctemplate")
endif()

# detect uchardet

find_path(UCHARDET_INCLUDE_DIR
  NAMES uchardet/uchardet.h
  PATHS ${additional_includes}
)
find_library(UCHARDET_LIBRARY
  NAMES uchardet
  PATHS ${additional_lib_searchpath}
)

if(NOT UCHARDET_INCLUDE_DIR OR NOT UCHARDET_LIBRARY)
  message(FATAL_ERROR "ERROR: Could not find uchardet")
else()
  message(STATUS "Found uchardet")
endif()

if(NOT APPLE)
  
  # detect icu

  find_path(ICU4C_INCLUDE_DIR
    NAMES unicode/utf8.h
    PATHS ${additional_includes}
  )
  find_library(ICU4C_LIBRARY
    NAMES icuuc
    PATHS ${additional_lib_searchpath}
  )

  if(NOT ICU4C_INCLUDE_DIR OR NOT ICU4C_LIBRARY)
    message(FATAL_ERROR "ERROR: Could not find icu4c")
  else()
    message(STATUS "Found icu4c")
  endif()
  
endif()

# detect libetpan

find_path(LIBETPAN_INCLUDE_DIR
  NAMES libetpan/libetpan.h
  PATHS ${additional_includes}
)
find_library(LIBETPAN_LIBRARY
  NAMES etpan
  PATHS ${additional_lib_searchpath}
)

if(NOT LIBETPAN_INCLUDE_DIR OR NOT LIBETPAN_LIBRARY)
  message(FATAL_ERROR "ERROR: Could not find libetpan")
else()
  message(STATUS "Found libetpan")
endif()


# detect tidy

find_path(TIDY_INCLUDE_DIR
  NAMES tidy/tidy.h
  PATHS ${additional_includes}
)
find_library(TIDY_LIBRARY
  NAMES tidy
  PATHS ${additional_lib_searchpath}
)

if(NOT TIDY_INCLUDE_DIR OR NOT TIDY_LIBRARY)
  message(FATAL_ERROR "ERROR: Could not find tidy")
else()
  message(STATUS "Found tidy")
endif()


# detect uuid

find_path(UUID_INCLUDE_DIR
  NAMES uuid/uuid.h
  PATHS ${additional_includes}
)

if(NOT UUID_INCLUDE_DIR)
  message(FATAL_ERROR "ERROR: Could not find uuid")
else()
  message(STATUS "Found uuid")
endif()


# detect libxml2

find_path(LIBXML_INCLUDE_DIR
  NAMES libxml/xmlreader.h
  PATHS ${additional_includes}
)
find_library(LIBXML_LIBRARY
  NAMES xml2
  PATHS ${additional_lib_searchpath}
)

if(NOT LIBXML_INCLUDE_DIR OR NOT LIBXML_LIBRARY)
  message(FATAL_ERROR "ERROR: Could not find libxml2")
else()
  message(STATUS "Found libxml2")
endif()


# detect zlib

find_path(ZLIB_INCLUDE_DIR
  NAMES zlib.h
  PATHS ${additional_includes}
)
find_library(ZLIB_LIBRARY
  NAMES z
  PATHS ${additional_lib_searchpath}
)

if(NOT ZLIB_INCLUDE_DIR OR NOT ZLIB_LIBRARY)
  message(FATAL_ERROR "ERROR: Could not find zlib")
else()
  message(STATUS "Found zlib")
endif()

IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
pkg_check_modules(GLIB2 glib-2.0)
ENDIF()

file(GLOB_RECURSE
  source_files
  *.h
  *.m
  *.c
)

SET_SOURCE_FILES_PROPERTIES(
  ${source_files}
  PROPERTIES LANGUAGE C
)

file(COPY
  ${public_headers}

  DESTINATION
  "${CMAKE_CURRENT_BINARY_DIR}/include/MailCore"
)

include_directories("${CMAKE_CURRENT_BINARY_DIR}/include"
  ${async_includes}
  ${core_includes}
  ${objc_includes}
  ${additional_includes}
  /usr/include/tidy
  /usr/include/libxml2
  ${GLIB2_INCLUDE_DIRS}
)

add_library(MailCore
  ${core_files}
  ${async_files}
  ${objc_files}
)